Which of the Following Is TRUE

Which of the following is TRUE?

A) Marketing researchers often know more about the customers,industry,and competitors than anyone in the company with the same years of experience.
B) Marketing researchers must develop an understanding of business in general and marketing processes specifically.
C) Researchers working in smaller companies tend to have more specialized tasks than employees working in large firms.
D) Researchers working in European firms tend to have more specialized tasks than employees working in U.S.firms.
E) Both a and b above are true.